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Physiological Terms

Question 25 • PA Human Anatomy & Physiology A 2026-2027 WHITE IC

When DNA and proteins bind together to make chromosomes, this new structure is called [___].

Answer
A
amino acids
B
nucleic acids
C
chromatin
D
deoxyribonucleic acid

Explanation

DNA wraps around and binds to proteins called histones. Together, the DNA and proteins form chromatin, which makes up chromosomes. Amino acids are the building blocks of proteins, while nucleic acids and deoxyribonucleic acid refer to types or names of DNA-related molecules, not the combined structure.

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